So I searched the forums and didn't find anything on the (economical) VIVOSUN
VIVOSUN Hydroponic 400 Watt Grow Light Digital Dimmable Ballast HPS MH System
I found it on Amazon and it has pretty good reviews. IT also comes with two bulbs: VIVOSUN 400w HPS bulb, 400w MH bulb.
I'm wondering, I...